Found 16 Articles for Geology

The Demographic Transition Model is the simplest way to depict the demographic history of a region or country. This model is the product of observations regarding population growth and development across numerous countries throughout the world. The Demographic Transition Model believes in the strong association between the birth and death rates on the one hand and industrialization and economic development on the other. Historic Background Post industrial revolution and agricultural advancements, human geographers became very keen in studying the change in population across the world. In the year 1929, Warren Thompson, the American demographer published his work on demographic transition ... Read More

Landslides are generally mass movement of soil or rocks along the slopes of mountains. They are quite common in hilly regions due to less stability of rocks, solid, debris etc. Since, Himalayas are the young fold mountains or V-shaped valley, caused by the collision of Indo-Australian plate with the Eurasian plate, also are highly prone to landslides which leads heavy loss of both life & property.There are some natural as well as anthropogenic causes behind landslides. Let’s check out a few of them:Natural CausesEarthquakes: Earthquakes are often in Himalaya region which causes loosening of soils that further leads to landslides.Rainfall: ... Read More

All over the world, the Greenwich Mean Time (GMT) is followed as the standard time. The Greenwich Meridian which is the Prime Meridian or Longitude Zero degrees marks the starting point of every Time Zone of the time zone map.The clock time at the Royal Observatory in Greenwich, London, is followed as the Greenwich Mean Time or GMT all over the world. Greenwich which is considered as the Prime Meridian has the Sun at its highest point at 1200 noon, exactly above the Greenwich.There are 25 world time zones. If you consider GMT as 0, then each one calculated at ... Read More

There are many interesting answers to this question. But I found one very fascinating and amazing phenomenon. When it rains suddenly in the Atacama desert in Chile, which is the driest non-polar desert on Earth, there will be a sudden spur of life in the desert.If the desert gets heavy rainfall during their spring season which is October and November, there will be a sudden bloom of the flowers ‘hibernating’ beneath its surface. It fills the entire desert with an explosion of color by the flowers coming to their full bloom which is eagerly waiting for the rain, leaving the place ... Read More

Antarctic and Arctic ocean, both are cold because they do not get any direct sunlightGeographical DetailsThe Antarctic is actually a land surrounded by ocean. The average elevation of Antarctica is about 7, 500 feet, which is nearly 2 kilometers 300 meters which means the highest continent on the earth is Antarctica.Why So South Pole Colder?The South Pole is much colder than the North Pole, The reason is that it sits on top of a very thick ice sheet, then again it itself sits on a continent. Not only this, the sun rises and sets only once a year there. So, ... Read More

There are seven continents in the world such as Asia, Australia, Antarctica, Africa, North America, South America, and Europe. But there are a total of 195 countries in the world. These countries are all parts of these continents. Hence a country is a part of a continent on this earth.A ContinentIt is a general definition that a Continent is a very large land mass that is separated from other continents in the world by oceans. But, that is not precise. These continents are separated only by geographical boundaries that limit these land masses to a certain area. Rather, the continents ... Read More

We observe that most of the deserts are on the western sides of the continents in the subtropics. These are the results of the prevailing easterly winds of the tropics, which are the trade winds. The trade winds prevail in the lower portion of the earth’s atmosphere, in the lower section of the troposphere.These winds become dry when they reach the western sides of the continents, and hence don’t bring any rain with them. As these regions become devoid of moisture, deserts are formed.Why Like That?The earth rotates on the East side. Moving air is deflected by the Earth’s rotation. ... Read More

It is actually sand, which turns the entire phenomenon hot. Sand cannot hold the heat. It acts like a mirror to the sun. During the daytime, it stays warm, and when the Sun is absent it loses all its heat making the nights colder. There’s nothing in the desert that can either absorb heat from the sun or hold it on the surface when the sun is set.Days In DesertThe Sun in the desert can reach the zenith due to which the temperature rises up to 100 degrees Fahrenheit during the day. The sand in the desert gets heated up ... Read More

Mumbai, the capital city of Maharashtra is called the “city of dreams” or “Mayanagri” as they call. It has gained this epithet over the years not just because it offers limitless opportunities for the Indian citizens across the states, but also for people across the borders. Here’s why Mumbai is called the city of dreams.Commercial Center of IndiaMumbai is the richest cities in the world and the richest city in India. From the Reserve Bank of India, National Stock Exchange or the Bombay Stock Exchange to the biggest Indian business houses like the Reliance Industries, Tata Group or the Aditya ... Read More

The atmosphere on the moon is much rarer and the temperatures on the moon are extreme ranging from boiling hot to freezing cold depending on the area of moon’s surface exposed to sunlight. The atmospheric gases on the moon are very much rarer on the moon.As moon rotates on its axis in about 27 days, lunar day-time is about 13.5 earth days and lunar night-time is about 13.5 earth nights. The lunar atmosphere varies depending upon these lunar day and night times also.The gases on the earth remain in the earth’s atmosphere because of the gravitational pull acting on. These ... Read More